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2Addicts | BMW 2-Series forum Technical Topics N20 (228i) / B46 (230i) Engine, Transmission, Exhaust, Tuning Changing stock 228i exhaust to quad exhaust

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      03-14-2015, 02:37 PM   #1
andresm17
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Changing stock 228i exhaust to quad exhaust

I was wondering what is the best way to change my stock exhaust to a quad exhaust. Approximately how much will it cost me to change the bumper plus adding the exhaust?
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      03-17-2015, 10:50 AM   #2
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I was wondering what is the best way to change my stock exhaust to a quad exhaust. Approximately how much will it cost me to change the bumper plus adding the exhaust?
Dont think any company makes 228i quad exhaust so you will need to it yourself. If you are building a true quad exhaust, it will be an expensive project ( depends on the quality of the exhaust).
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      03-17-2015, 08:29 PM   #3
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Supersprint makes a quad exhaust muffler for the M235i. I think the issue you will run in to is the rear valence.....it's not "cut" for a quad set up.
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      04-01-2015, 01:51 PM   #4
andresm17
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Quote:
Originally Posted by mike@x-ph.com View Post
Dont think any company makes 228i quad exhaust so you will need to it yourself. If you are building a true quad exhaust, it will be an expensive project ( depends on the quality of the exhaust).
Is there a diffuser that fits the 228i with the sport line bumper or do i have to change the whole bumper to an m sport bumper in order to get a dual exhaust?
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      04-01-2015, 09:25 PM   #5
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Quote:
Originally Posted by andresm17 View Post
Is there a diffuser that fits the 228i with the sport line bumper or do i have to change the whole bumper to an m sport bumper in order to get a dual exhaust?
Not aware of any company that offers quad diffuser for the 228i
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      03-27-2016, 01:54 AM   #6
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Any news? I have looked at eisenmann and also am hoping for an m2 performance quad exhaust that might got along with the m2 rear bumper/diffuser
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      03-27-2016, 06:16 PM   #7
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Quote:
Originally Posted by andresm17 View Post
I was wondering what is the best way to change my stock exhaust to a quad exhaust. Approximately how much will it cost me to change the bumper plus adding the exhaust?
Check out AWE Tuning. They have a Quad exhaust for the 328i and are developing one for the 228i. It does involve cutting the rear bumper cover though.
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      03-27-2016, 09:14 PM   #8
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I've been thinking of cutting another dual outlet on the right side but not sure how it will look. Exhaust can be easily modified to suit. Hesistant if it will look funny
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      03-27-2016, 11:50 PM   #9
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Anyone know if the m2 quad exhaust will fit?
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      03-28-2016, 09:01 AM   #10
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Bastuck offer quad exhaust. Not sure if there any in US...

http://www.bastuck.de/shop/index.php...&hg2=500030017
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      03-28-2016, 12:10 PM   #11
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Get the AWE quad for the 328 and install it on your 228
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      03-29-2016, 12:42 PM   #12
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AC Schnitzer offers a quad diffuser for their quad exhaust but its carbon fibre and insanely expensive.

http://cdn.bmwblog.com/wp-content/up...-Series-11.jpg
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      03-31-2016, 11:19 AM   #13
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Anything ACS is insanely expensive but also just as sexy.
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